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/*
* Copyright © 2015 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "i965_yuv_coefs.h"
static const float yuv_to_rgb_bt601[] = {
1.164, 0, 1.596, -0.06275,
1.164, -0.392, -0.813, -0.50196,
1.164, 2.017, 0, -0.50196,
};
static const float yuv_to_rgb_bt709[] = {
1.164, 0, 1.793, -0.06275,
1.164, -0.213, -0.533, -0.50196,
1.164, 2.112, 0, -0.50196,
};
static const float yuv_to_rgb_smpte_240[] = {
1.164, 0, 1.794, -0.06275,
1.164, -0.258, -0.5425, -0.50196,
1.164, 2.078, 0, -0.50196,
};
VAProcColorStandardType i915_filter_to_color_standard(unsigned int filter)
{
switch (filter & VA_SRC_COLOR_MASK) {
case VA_SRC_BT601:
return VAProcColorStandardBT601;
case VA_SRC_BT709:
return VAProcColorStandardBT709;
case VA_SRC_SMPTE_240:
return VAProcColorStandardSMPTE240M;
default:
return VAProcColorStandardBT601;
}
}
const float *i915_color_standard_to_coefs(VAProcColorStandardType standard, size_t *length)
{
switch (standard) {
case VAProcColorStandardBT601:
*length = sizeof(yuv_to_rgb_bt601);
return yuv_to_rgb_bt601;
case VAProcColorStandardBT709:
*length = sizeof(yuv_to_rgb_bt709);
return yuv_to_rgb_bt709;
case VAProcColorStandardSMPTE240M:
*length = sizeof(yuv_to_rgb_smpte_240);
return yuv_to_rgb_smpte_240;
default:
*length = sizeof(yuv_to_rgb_bt601);
return yuv_to_rgb_bt601;
}
}
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